Answer:
look it up
Step-by-step explanation:
Step-by-step explanation:
×/21 x ×/21 = 7× x/21
x= 1/3
Answer:
14.00
Step-by-step explanation:
add
subtract
divide
multiple
Step-by-step explanation:
first number=x
second number=x+2
third number=x+4
(x+2)(x+4)=3x+26
x(x+4)+2(x+4)=3x+26
x²+4x+2x+8=3x+26
x²+6x+8=3x+26
x²+6x-3x=26-8
x²+3x=18
x²+3x-18=0
you can use that to find the numbers